CN103852965A - Light source system used for three-dimensional projection device - Google Patents
Light source system used for three-dimensional projection device Download PDFInfo
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- CN103852965A CN103852965A CN201210516414.0A CN201210516414A CN103852965A CN 103852965 A CN103852965 A CN 103852965A CN 201210516414 A CN201210516414 A CN 201210516414A CN 103852965 A CN103852965 A CN 103852965A
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Abstract
The invention provides a light source system used for a three-dimensional projection device. The light source system comprises a light source module, a first lens set, a light splitting element, a color wheel module and a light collection element. The light source module is used for providing a light ray which is delivered to the first lens set and the light splitting element in sequence. The light ray is then split into a first light ray body with a first waveband and a second light ray body with a second waveband. The first light ray body and the second light ray body are then received by the color wheel module and converted into a third light ray body and a fourth light ray body. The third light ray body and the fourth light ray body are then delivered to the light collection element. By means of the configuration, the light source system can be matched with a protection device to produce a three-dimensional image. By means of the protection device of the light source system, a user can see images at various angles of view, and the aims of improving the light use ratio, reducing the cost, simplifying element configuration and being high in resolution are achieved.
Description
Technical field
The present invention relates to a light-source system, particularly can be used for the light-source system of a stereo projection apparatus.
Background technology
The general known light-source system for stereo projection apparatus, adopts the light splitting mode of colour wheel or employing two liquid crystal shutters for it mostly.And no matter be to adopt colour wheel or the light-source system of two liquid crystal, the light that light-source system produces all can be converted, be divided into after the image of images of left and right eyes visual angle, recycles multiple digital minitype reflector elements (Digital Module Device) images of left and right eyes visual angle image is projected in beholder's ken.The two design fundamentals and the bottleneck that runs into of development thereof will be outline below.
Adopt the light-source system of colour wheel as the optical element of light splitting, take RGB colour wheel as example, this RGB colour wheel must have at least six color filter regions, and right and left eyes is respectively assigned to three color filter regions (red color filter regions, green color filter regions and blue color filter regions).When practical operation, user's passive glasses that only needs to arrange in pairs or groups can be watched a stereo-picture.But the shortcoming of this kind of configuration is colour wheel and must at least contains six large-area color filter regions, to keep the incident light can low-angle incident optical filter, therefore the volume of colour wheel be difficult to dwindle; In other words, this kind of configuration will be difficult to realize the microminiaturized target of stereoprojection light-source system.
And adopt the light-source system of liquid crystal shutter as the optical element of light splitting, though the start of liquid crystal shutter operation Shang Buxu mechanism, therefore can overcome the problem of easily wearing and tearing in mechanism, the overall required operation precision of liquid crystal shutter is also high compared with colour wheel.Therefore, more need to consider especially in design and note synchronous problem, cannot watch the problem such as a stereo-picture or the bad of the stereo-picture of watching otherwise can produce user.In brief, the system of the light-source system of use liquid crystal shutter is more complicated, and cost is difficult for reducing.
Therefore, the optical arrangement of how to design the passive glasses of can arranging in pairs or groups, improve light utilization efficiency, have lower cost, simplifying, having the advantages such as high-res, volume microminiaturization or promote the light-source system of brightness, is that industry is needed the target of effort badly for this reason.
Summary of the invention
An object of the present invention is to provide a kind of light-source system for a stereo projection apparatus.
Another object of the present invention is to provide a kind of and improves light utilization efficiency, has high-res and promotes the light-source system of brightness.
The light-source system that a further object of the present invention is the optical arrangement that provides a kind of and reduce costs, simplify.
Another object of the present invention is for providing a kind of light-source system that can volume microminiaturization.
For reaching above-mentioned purpose, light-source system of the present invention comprises a light source module, a first lens group, a beam splitter, a color block module and a light collecting element.
Light source module is in order to a light to be provided, and light received by first lens group, then received by beam splitter.One first light and one that beam splitter can have in order to light is divided into one first wave band has one second light of one second wave band.And then first and second light received and convert to the 3rd light and one with triband and have the 4th light of one the 4th wave band by color block module, then enter light collecting element.Light collecting element has an incidence surface and an exiting surface, and incidence surface and color block module optically-coupled, and in other words, the 3rd and the 4th light enters light collecting element from incidence surface.
Wherein, color block module more comprises a rotating disk, and rotating disk is made up of multiple the first slides that are disposed radially and multiple the second slide.And each the first slide comprises one first filtering district, one first echo area and one second echo area; Each the second slide comprises one second filtering district and one the 3rd echo area.First and second filtering district and first and the 3rd echo area be arranged at one first side of rotating disk, an and axle center of contiguous this rotating disk in the first filtering district and the 3rd echo area, the second echo area is arranged at one second side of relative this first side of this rotating disk.
When the present invention operates, more can be divided into one first sequential and one second sequential, and the first sequential and the second sequential can be switched mutually.
In the first sequential, the first light is by the first filtering district of the one of those the first slides, and the second light is reflected by the 3rd echo area of the one of those the second slides.Now, this first filtering district of one the 3rd light penetration with triband of the first light.
In the second sequential, the first light is reflected by those the second slide one first echo areas, and the second light is by the second filtering district of the second slide one.Now, one the 4th light penetration second filtering district with the 4th wave band of the second light.
This utilizes a projection arrangement of light-source system of the present invention by above-mentioned configuration, can make user watch multiple visual angles image, and reaches and provide a kind of and improve light utilization efficiency, reduce costs, simplify arrangements of components, have the object of the light-source system of high-res.
For allow above-mentioned object, technical characterictic and advantage more those of ordinary skill in the art know and apply, be below described in detail with multiple preferred embodiments of the present invention and accompanying drawing.
Accompanying drawing explanation
Fig. 1 is that the first embodiment of light-source system of the present invention is in the schematic diagram of the first sequential;
Fig. 2 A is the rotating disk front view of the color block module of Fig. 1;
Fig. 2 B is the rotating disk side schematic view of the color block module of Fig. 1;
Fig. 3 is that the first embodiment of light-source system of the present invention is in the schematic diagram of the second sequential;
Fig. 4 is the schematic diagram that is related to of the wave band of filtering face of the beam splitter of light-source system of the present invention and penetrance;
Fig. 5 is that the second embodiment of light-source system of the present invention is in the schematic diagram of the first sequential;
Fig. 6 is that the second embodiment of light-source system of the present invention is in the schematic diagram of the second sequential;
Fig. 7 is that the 3rd embodiment of light-source system of the present invention is in the schematic diagram of the first sequential;
Fig. 8 is that the 3rd embodiment of light-source system of the present invention is in the schematic diagram of the second sequential;
Fig. 9 is the schematic diagram of the 4th embodiment of light-source system of the present invention; And
Figure 10 is the rotating disk schematic diagram of the color block module of the 4th embodiment of light-source system of the present invention.
Wherein, description of reference numerals is as follows:
1,2,3,4: light-source system
11,21: light source module
111,211,311: high-pressure sodium lamp
112: catoptron
212,312: prism
113,213,313: spatial filter
12,22,32,42: first lens group
13,23,33,43: beam splitter
13a, 23a: filtering face
13b, 23b: reflecting surface
14,24,34,44: color block module
142,442: rotating disk
1422,4422: the first slides
1422a: the first filtering district
1422b: the first echo area
1422c: the second echo area
1424,4424: the second slides
1424a: the second filtering district
1424b: the 3rd echo area
1424c: the 4th echo area
15,25,35,45: light collecting element
16,26,36,46: light path is adjusted element
27,37: the second lens combination
431: the first beam-splitters
432: the second beam-splitters
Embodiment
Below will explain content of the present invention by embodiment, the present invention is about the light-source system for a stereo projection apparatus.Needing expositor, in following embodiment and accompanying drawing, is only explaination object of the present invention about the explanation of embodiment, but not in order to direct restriction the present invention, meanwhile, following examples and graphic in, all omitted and do not illustrated with the non-directly related element of the present invention; And in graphic, each interelement size relationship and number of elements are only for asking easy understanding, non-in order to limit actual ratio, actual size and actual quantity.
Please also refer to Fig. 1 to Fig. 4, Fig. 1 and Fig. 3 are respectively light-source system 1 first embodiment of the present invention in the schematic diagram of different sequential, Fig. 2 A to Fig. 2 B is color block module rotating disk enlarged front view and the side schematic view of light-source system 1, and Fig. 4 is the schematic diagram that is related to of the wave band of filtering face 13a of the beam splitter of light-source system 1 and penetrance.
Light-source system 1 of the present invention comprises a light source module 11, a first lens group 12, a beam splitter 13, a color block module 14 and a light collecting element 15.Color block module 14 more comprises a rotating disk 142, and light collecting element 15 has an exiting surface and an incidence surface (figure does not mark), its incidence surface and color block module 14 optically-coupled.
For the convenient relativeness of understanding each element, more the rotating disk of color block module 14 142 can be defined to one first side (left side of rotating disk) and one second side (right side of rotating disk), and with the first side and the second side, the relative position between each element is described.Therefore, as shown in Figure 1, the first lens group 12 of the present embodiment and beam splitter 13 are arranged at the first side of the rotating disk 142 of color block module 14, and light collecting element 15 is arranged at the second side of rotating disk 142.
The function and effect of light source module 11, first lens group 12, beam splitter 13, color block module 14 and light collecting element 15 will be first sequentially described below, then implement for light-source system 1 of the present invention again and function mode is explained.
In addition, " optically-coupled " that this instructions is mentioned is the situation that the light between general reference optical element transmits mutually, namely refers to, if two optical element optically-coupled represent that the light that wherein an optical element sends can be passed on another optical element.
The light source module 11 of the light-source system 1 of paper the present embodiment, light source module 11 is in order to provide a light, and the light source module 11 of the present embodiment more comprises a high-pressure sodium lamp 111 (Ultra High Pressure Lamp, UHP Lamp), a catoptron 112 and a spatial filter 113, but light source is not limited with high-pressure sodium lamp 111, can be also xenon lamp (Xenon lamp) or solid state light emitter.
In detail, high-pressure sodium lamp 111 is in order to this light to be provided, this light again via catoptron 112 reflect, after spatial filter 113 filters, multiple being passed to again among first lens group 12.Bootable this light of catoptron 112 is passed to first lens group 12, and spatial filter 113 is in order to filter high-pressure sodium lamp 111 scattered lights and diffraction light, and then reduction overall noise, and improves image quality.Though the arrange in pairs or groups combination of high-pressure sodium lamp 111 that the present embodiment is catoptron 112, spatial filter 113, be necessary but catoptron 112, spatial filter 113 are non-, the light source module 11 also can with an enforcement aspect only has a high-pressure sodium lamp 111, and the light of its generation can directly enter the configuration of first lens group 12, also can reach the effect similar to the present embodiment.
Then introduce the first lens group 12 of the light-source system 1 of the present embodiment, the light that first lens group 12 produces in order to receive light source module 11, in addition, the first lens group 12 of the present embodiment comprises two lens, and through described two lens, this light is converged, is passed to beam splitter 13, and light is converged, is passed in first side of rotating disk 142 of color block module 14.
13 light that transmit in order to receive first lens group 12 of beam splitter, again light is divided into one second light (dot-and-dash line) that one first light (dotted line) and one with one first wave band has one second wave band, and understand for convenient, the light of the different-waveband in figure, all adopts different line segments to illustrate.
Specifically, the beam splitter 13 of the present embodiment is an angled reflector (being also a reverberator with wedge shape outward appearance), and beam splitter 13 more comprise a filtering face 13a and with a reflecting surface 13b, and filtering face 13a and reflecting surface 13b are for being obliquely installed (both press from both sides an angle, and this angle is preferably 5 to 10 degree).Wherein, filtering face 13a and reflecting surface 13b plate with different metal plated film, the filtering face 13a of beam splitter 13 only reflects first light (dotted line) with the first wave band, and the light of all the other wave bands is passed through, and the light of all the other wave bands by filtering face 13a can be reflected after face 13b reflection, leaves to the same direction beam splitter 13 with the first light.
Please also refer to wave band and the penetrance graph of a relation of the filtering face 13a of the beam splitter 13 of Fig. 4, the filtering face 13a of the present embodiment can reflect the light of B2 in drawing, G2 and R2 wave band, and the light of B1, G1 and R2 wave band is passed through, B1, the G1 passing through and the light of R2 wave band are then reflected face 13b and reflect and leave beam splitter 13.In other words, alleged " the first wave band " and " the second wave band " are not a continuous wave band herein, and are a set of multiple wave bands.
In sum, by this kind of configuration, can make light be divided into first light (dotted line) of the first wave band and second light (dot-and-dash line) of the second wave band, and the first light is separated with the second light.
To the configuration of color block module 14 be illustrated below, the color block module 14 of the present embodiment is arranged between first lens group 12 and light collecting element 15, and color block module 14 is in order to be converted into respectively the 3rd light with triband and the 4th light with the 4th wave band by the first light and the second light.
Please also refer to Fig. 2 A and Fig. 2 B, color block module 14 more comprises a rotating disk 142, and rotating disk 142 is made up of multiple the first slides 1422 that are disposed radially and multiple the second slide 1424, and respectively this first slide 1422 arranges along this radial symmetry with each this second slide 1424 respectively.The present embodiment is take three the first slides 1422 and three the second slides 1424 as example, and the respectively adjacent setting of this first slide 1422 (respectively also adjacent setting of this second slide 1424), but its quantity with arrangement mode neither as limit.
Specifically, the first slide 1422 comprises one first filtering district 1422a, one first echo area 1422b and one second echo area 1422c, and the first filtering district 1422a and the first echo area 1422b are arranged at the first side of rotating disk 142, the second echo area 1422c is arranged at one second side of relative this first side of rotating disk 142.An and axle center of the contiguous rotating disk 142 of the first filtering district 1422a, that is first echo area 1422b can be considered the outer shroud (apart from axle center at a distance) that is arranged at rotating disk 142, the first filtering district 1422a is considered as interior ring for being arranged at rotating disk 142 (apart from axle center more nearby).
The first filtering district 1422a of three first wave plates 1422 of the present embodiment is respectively red wave band filtering district, green wave band filtering district and blue wave band filtering district, and drawing represents with different GTG colors.And R2, G2 in the first wave band of corresponding the first light and B2 wave band (can referring again to Fig. 4) can be distinguished by each redness, green and blue wave band filtering district, so that by first light in redness, green and blue wave band filtering district, convert the 3rd light (with the present embodiment, the 3rd light can be ruddiness, blue light or green glow) with a triband to.
In addition, first and second echo area 1422b, 1422c be arranged at respectively the heteropleural of rotating disk 142 and relatively, be symmetrical arranged.The second 1424 of slides comprise one second filtering district 1424a and one the 3rd echo area 1424b and one the 4th echo area 1424c.The second filtering district 1424a and the 3rd echo area 1424b are all arranged at the first side of rotating disk 142, the 4th echo area 1424c is arranged at one second side of relative this first side of rotating disk 142, an and axle center of the contiguous rotating disk 142 of the 3rd echo area 1424b, that is the 3rd echo area 1424b be arranged at the interior ring (apart from axle center more nearby) of rotating disk 142, the second filtering district 1424a is arranged at the outer shroud (apart from axle center at a distance) of rotating disk 142.
Similarly, the second filtering district 1424a of three second wave plates of the present embodiment is respectively red wave band filtering district, green wave band filtering district and blue wave band filtering district, and R1, G1 in the second wave band of corresponding the second light and B1 wave band (can referring again to Fig. 4) can be distinguished by each redness, green and blue wave band filtering district, so that by second light in redness, green and blue wave band filtering district, convert the 4th light (with the present embodiment, the 4th light can be ruddiness, blue light or green glow) with one the 4th wave band to.
Need supplementary notes, for the relative position of the each element of clear expression, the member (such as motor, detecting device etc.) beyond the rotating disk 142 of color block module 14 omits.
Finally, the light collecting element 15 of light-source system 1 of the present invention, is in order to by the 3rd light of being changed by color block module 14 and the 4th equalizing light rays, offers a projection arrangement (scheming not shown) via light collecting element 15.Specifically, light collecting element 15 more comprises an incidence surface and an exiting surface, and the lens of a focus at exiting surface can be set after incidence surface, and at the front lens of a focus at incidence surface that arrange of exiting surface, and incidence surface and color block module 14 optically-coupled, exiting surface with projection arrangement optically-coupled.The light collecting element 15 of the present embodiment can be a light harvesting post, but is not limited with light harvesting post.
In addition, the present embodiment more comprises a light path and adjusts element 16 and be arranged at the exiting surface of light collecting element 15, and with those the second echo area 1422c optically-coupled of those the first slides 1422, the effect that light path is adjusted element 16 is to avoid the optical extend (Etendue) of light-source system 1 excessive, and reduce the situation at the light valve place excessively excessive (Overfill) of projection arrangement, to improve overall light utilization efficiency.It is an eyeglass that the light path of the present embodiment is adjusted element 16, but also can have an enforcement aspect employing to reach the effect similar to the present embodiment in the mode of the part exiting surface plating reflectance coating of light collecting element 15.Should be noted that, this light path is adjusted element 16 as the optimized member of a light-source system 1, is not the element of necessity of the present invention.
Described in brought forward, the light that light source module 1 provides, be divided into and there is the first light of the first wave band and have after the second light of the second wave band by beam splitter 13, more can, because of the situation of the first light and the second light and color block module 14 optically-coupled, be divided into the first sequential and the second sequential.Below, for ease of understanding and explanation, the operation of light-source system 1, is divided into it " the first sequential " and " the second sequential " is illustrated; This point-score is only the facility in explanation, and the order of unrestricted its operation.When practical operation, the first sequential and the second sequential are the state alternately switching.
First, please refer again to Fig. 1, the first slide 1422 of color block module 14 is defined as " the first sequential " with first and second light optically-coupled, now, see through first lens group 12, first and second light converges at respectively the first color filter regions 1422a and the second echo area 1422b of the first slide 1422.The first light (dotted line) is by the first filtering district 1422a of those the first slide 1422 one, and the second light (dot-and-dash line) is reflected by the 3rd echo area 1424b of those the second slide 1424 one.The first light, by after this first slide 1422, only has one the 3rd this first filtering of light penetration district 1422a of a triband.
First light with the first wave band is converted to the 3rd light with triband by the first color filter regions 1422a, and by, penetrate the first filtering district 1422a and be passed to the second side of rotating disk 142, and enter light collecting element 15.When the first light arrives the exit of light collecting element 15, the wherein half of the first light can directly be left from exiting surface via the another half of outlet that does not have light path to adjust element 16, and second half of the first light adjusted element 16 by light path and reflected; Second half light being reflected can be upper in the 3rd echo area 1424b of the first slide 1422 by the lens light gathering in exit, and then converged at by the lens of porch the another half of outlet that does not have light path to adjust element 16, and leave from exiting surface.Supplementary notes, triband described herein is covered by the first wave band.
Take the first color filter regions 1422a as red wave band filtering district as example, the first light that enters red wave band filtering district will be converted into the red light with R1 wave band (please refer to Fig. 4), and it is rear homogenized that red light enters light collecting element 15, then be projected device conversion, synthesize into an image.By redness, green and the blue wave band filtering district of three the first slides 1422 sequentially with the first light optically-coupled, can produce respectively ruddiness (R1), green glow (B1) and blue light (G1), after difference is homogenized, relend by projection arrangement conversion, synthetic for example, to form a visual angle image (eye image).And be barred from the first side of color block module 14 by second light (dot-and-dash line) of the 3rd echo area 1424b reflection.
Then, please refer to Fig. 3, the second slide 1422 of color block module 14 is defined as to " the second sequential " with first and second light optically-coupled.Now, see through first lens group 12, first and second light converges at respectively the 3rd echo area 1424b and the second filtering district 1424a of the second slide 1424.The first light (dotted line) is reflected by the 3rd echo area 1424b of those the second slide 1424 one, and the second light (dot-and-dash line) is by the second filtering district 1424a of those the second slide 1424 one.And the second filtering district 1424a only allows one the 4th light penetration with one the 4th wave band.
There is the second light of the second wave band by after the second filtering district 1424a, be converted into the 4th light with the 4th wave band, be passed to the second side of rotating disk 142, enter after light collecting element 15, left by its exiting surface.Supplementary notes, the 4th wave band described herein is also covered by the second wave band.
Take the second filtering district 1424a as red wave band filtering district as example, the second light that enters red wave band filtering district will be converted into the red light with R2 wave band (please refer to Fig. 4), and it is rear homogenized that red light enters light collecting element 15, then be projected device conversion, synthesize into an image.By the redness (R2) of three the second slides 1424, green (G2) and blue (B2) wave band filtering district sequentially with the second light optically-coupled, can produce respectively ruddiness, green glow and blue light, again respectively by after light collecting element 15 homogenising, by projection arrangement conversion, synthetic for example, to form a visual angle image (left-eye image).And be barred from the first side of color block module 14 by first light (dotted line) of the 3rd echo area 1424b reflection.
In brief, in the time of the first sequential, the first light is converted into the 3rd light, when the second sequential, the second light is converted into the 4th light, and by first and second sequential alternately, light-source system 1 projection arrangement of can arranging in pairs or groups, makes beholder receive a stereo-picture, to reach object of the present invention.
Please refer to Fig. 5 and Fig. 6, be respectively the second embodiment of light-source system 2 of the present invention in the schematic diagram of first and second sequential.Be with aforementioned the first embodiment deviation: the light source module 21 of (1) the present embodiment is for adopting a prism 212 to replace the catoptron 112 of the first embodiment; (2) the present embodiment has more comprised one second lens combination 27, is arranged between color block module 24 and light collecting element 25; And the light path of (3) the present embodiment is adjusted the adjacent setting of incidence surface of element 26 and light collecting element 25.
Below will only be illustrated for difference place, all the other element relations and function will repeat no more.
The light source module 21 of the second embodiment comprises a high-pressure sodium lamp 211, a prism 212 and a spatial filter 213, light can be in the interior transmission of prism 212, and in order to replace the catoptron 112 of the first embodiment, so that the light that high-pressure sodium lamp 211 provides is passed among spatial filter 213 and first lens group 22.And preferably, prism 212 can plate a reflectance coating in a side, makes prism 212 can reach the effect similar to catoptron 112.
In addition, the second lens combination 27 of the second embodiment and light path are adjusted the second side of the rotating disk (figure does not mark) that element 26 is all arranged at color block module 24, and the second lens combination 27 in order to the incidence surface optically-coupled of color block module 24 and light collecting element 25.Light path is adjusted the second echo area optically-coupled of 26 of elements and those first slides (scheming not shown) of color block module 24.
Specifically, please refer to Fig. 5, in the time of the first sequential, the first slide optically-coupled of the first light system and the rotating disk of color block module 24, makes it convert the 3rd light with triband to.And the 3rd light leaves after color block module 24, be passed to the second lens combination 27, and converge at light path adjustment element 26.It is also a catoptron that the light path of the second embodiment is adjusted element 26, therefore, the 3rd light is adjusted element 26 by light path again and is entered the second lens combination 27 after reflecting, and with the second echo area optically-coupled (being herein reflection) of the first slide of the rotating disk of color block module 24 after, then be passed to light collecting element 25.
Refer again to Fig. 6, in the time of the second sequential, the second embodiment, the second slide (scheming not shown) optically-coupled of the rotating disk of the second light and color block module 24, and convert the 4th light with the 4th wave band to.And the 4th light leaves after color block module 24, be passed to after the second lens combination 27, directly enter light collecting element 25 in.
In brief, under the configuration of the second embodiment, the 3rd light is first adjusted after the second echo area optically-coupled of element 26, the first slide with light path, just enters light collecting element 25.The 4th light is for first just entering among light collecting element 25 through the second lens combination 27, but the effect of the second embodiment and similar to the first embodiment to the mode of projection arrangement collocation, by no longer this repeats.
Please then refer to Fig. 7 and Fig. 8, be respectively the 3rd embodiment of light-source system 3 of the present invention in the schematic diagram of first and second sequential.The deviation of the present embodiment and the second embodiment has two: the prism 312 of (1) the present embodiment is a total internal reflection prism (TIR prism); And the light collecting element 35 of (2) the present embodiment is pair of lamina lens pillar.
Below be also only illustrated for the difference place of second and third embodiment, all the other element relations and function will repeat no more.
Specifically, the light that high-pressure sodium lamp 311 provides, enters prism 312(total internal reflection mirror) after, be passed among spatial filter 313.The present embodiment adopts the advantage of total internal reflection mirror to be that total internal reflection mirror can change light working direction easily, configures prism 212 or catoptron 112 elasticity of the first two embodiment, and can further simplify the volume of light-source system 3 entirety.Need special instruction, prism 312 and the non-same plane that is arranged at of the second lens combination 37, light collecting element 35 and light path converting element 36, in other words, the 3rd or the 4th light that leaves color block module 34 can't enter among prism 312 again.
In addition, the light collecting element 35 of the present embodiment adopts pair of lamina lens pillar, also can be by the 3rd or the 4th equalizing light rays entering, and offer a projection arrangement (scheming not shown).And double-deck lens pillar can be made up of two lens pillar layers and an omni-directional diffusion plate (all direction diffuser) that is sandwiched in two lens pillar interlayers, and can be according to the pitch of different two lens pillar layers of projection arrangement demand adjustment, to reach required effect.
In brief, by the configuration of the 3rd embodiment, also can reach the effect similar to aforementioned two embodiment.
Finally, please refer to Fig. 9 and Figure 10, be respectively the schematic diagram of the 4th embodiment of light-source system 4 of the present invention and the rotating disk 442 of color block module 44 thereof.The deviation of the 4th embodiment and the 3rd embodiment by: (1) beam splitter 43 is made up of one first beam-splitter 431 and one second beam-splitter 432; (2) rotating disk 442 of color block module 44 is that the first slide 4422 and the second slide 4424 are crisscross arranged; And (3) light collecting element 45 is a light harvesting post.
Then, below be also only illustrated for the difference place of the 3rd and the 4th embodiment, all the other element relations and function will repeat no more.
Specifically, the first beam-splitter 431 of beam splitter 43 of the present invention and the second beam-splitter 432 are for being obliquely installed (first and second beam-splitter 431,432 folder one angles, and this angle is preferably 5 to 10 degree), and the first beam-splitter 431 and the second beam-splitter 432 respectively in plated surface with different metal plated film, so that the first beam-splitter 431 reflections have this first light (dotted line) of this first wave band, and this second light (dot-and-dash line) with this second wave band is passed through, the first light being reflected enters first lens group 42 again.Now, be passed to after the second beam-splitter 432 by this second light of the first beam-splitter 431, then reflected by this second beam-splitter 432.
And the light collecting element 45 of the present embodiment, is in order to by the 3rd light of being changed by color block module 44 and the 4th equalizing light rays, then offers a projection arrangement (scheming not shown) via light collecting element 45.In other words, the light collecting element 45 of the present embodiment also can reach the effect similar to previous embodiment.
Then,, please with particular reference to Figure 10, the rotating disk 442 of the color block module 44 of the present embodiment is the configuration that adopts the first slide 4422 and the second slide 4424 to be crisscross arranged.This kind of configuration can make the first sequential and the second sequential alternately, and reaches the effect similar to previous embodiment.
In sum, the present invention is that a light-source system is by beam splitter and color block module optically-coupled, and the projection arrangement of further arranging in pairs or groups, so that beholder to be provided a stereo-picture, and reach there is high light utilization factor, with low cost and need not mechanical type running member, simplify the object of the light-source system of arrangements of components.
The above embodiments are only used for exemplifying enforcement aspect of the present invention, and explain technical characterictic of the present invention, are not used for limiting protection category of the present invention.Any those of ordinary skills can unlabored change or the arrangement of isotropism all belong to the scope that the present invention advocates, the scope of the present invention should be as the criterion with claim scope.
Claims (18)
1. for a light-source system for a stereo projection apparatus, comprise:
One light source module, in order to provide a light;
One first lens group, receives this light;
One beam splitter, one first light and one in order to this light is divided into one first wave band has one second light of one second wave band;
One color block module, in order to receive this first light and this second light, this color block module comprises a rotating disk, and this rotating disk is made up of multiple the first slides that are disposed radially and multiple the second slide, described in each, the first slide comprises one first filtering district, one first echo area and one second echo area, described in each, the second slide comprises one second filtering district and one the 3rd echo area, wherein, this the first filtering district and this second filtering district and this first echo area and the 3rd echo area are arranged at one first side of this rotating disk, an and axle center of contiguous this rotating disk in this first filtering district and the 3rd echo area, this second echo area is arranged at one second side of relative this first side of this rotating disk, and
One light collecting element, has an incidence surface and an exiting surface, this incidence surface and this color block module optically-coupled;
Wherein, in one first sequential, this first light is by one of them this first filtering district of described multiple the first slides, and this second light is reflected by one of them the 3rd echo area of described multiple the second slides, this first filtering district of one the 3rd light penetration with a triband of this first light; In one second sequential, this first light is reflected by this first echo area of described multiple the second slides, this second light is by one of them this second filtering district of this second slide, this second filtering district of one the 4th light penetration with one the 4th wave band of this second light.
2. light-source system as claimed in claim 1, wherein, this beam splitter is arranged at this first side, and this light collecting element is arranged at this second side of this rotating disk, and this light collecting element homogenising enters the 3rd light or the 4th light of this light collecting element.
3. light-source system as claimed in claim 2, also comprise a light path and adjust element, this light path is adjusted element and is arranged at this second side of this rotating disk, with the adjacent setting of this incidence surface of this light collecting element, and with described multiple second echo area optically-coupled of described multiple the first slides.
4. light-source system as claimed in claim 3, also comprises one second lens combination, this second lens combination respectively with this incidence surface optically-coupled of this color block module and this light collecting element.
5. light-source system as claimed in claim 4, this second lens combination is arranged between this second side and this light collecting element of this color block module.
6. light-source system as claimed in claim 2, also comprises a light path and adjusts element, and this light path is adjusted element and be arranged at this exiting surface of this light collecting element, and with described multiple second echo area optically-coupled of described multiple the first slides.
7. light-source system as claimed in claim 1, wherein, this light collecting element is a light harvesting post or pair of lamina lens pillar.
8. the light-source system as described in claim 3 or 6, wherein, it is an eyeglass that this light path is adjusted element.
9. the light-source system as described in claim 3 or 6, wherein, the 3rd light is sequentially adjusted the 3rd echo area optically-coupled of element and this first slide with this light path.
10. light-source system as claimed in claim 1, wherein, described multiple the first slides and described multiple the second slide are three the first slides and three the second slides.
11. light-source systems as claimed in claim 10, wherein, this the first filtering district of described multiple the first slides is respectively red wave band filtering district, green wave band filtering district and blue wave band filtering district, and this second filtering district of described multiple the second slides is respectively red wave band filtering district, green wave band filtering district and blue wave band filtering district.
12. light-source systems as claimed in claim 1, wherein, described in each, the first slide arranges along this radial symmetry with the second slide described in each respectively.
13. light-source systems as claimed in claim 1, wherein, this light source module also comprises a high-pressure sodium lamp, a catoptron and a spatial filter, and this high-pressure sodium lamp is in order to this light to be provided, and this catoptron and this spatial filter are with so that this light is passed to this first lens group.
14. light-source systems as claimed in claim 1, wherein, this light source module also comprises a high-pressure sodium lamp, a prism and a spatial filter, and this high-pressure sodium lamp is in order to this light to be provided, and this catoptron and this spatial filter are with so that this light is passed to this first lens group.
15. light-source systems as claimed in claim 14, this prism is a total internal reflection prism.
16. light-source systems as claimed in claim 1 or 2, wherein this beam splitter comprises one first beam-splitter and one second beam-splitter, and relative this second beam-splitter of this first beam-splitter is for being obliquely installed, this the first beam-splitter reflection has this first light of this first wave band and this second light with this second wave band is passed through, this passing through the second light is passed to after this second beam-splitter, is reflected by this second beam-splitter.
17. light-source systems as claimed in claim 1 or 2, wherein, this beam splitter is a wedge type reverberator, and comprise a filtering face and with a reflecting surface, this filtering face with respect to this reflecting surface for being obliquely installed, and this filtering face is in order to allow this second light pass through, and reflect this first light, this second light is reflected by this reflecting surface after by this filtering face.
18. light-source systems as claimed in claim 1, wherein, this first lens group is arranged at this first side of this color block module.
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| CN201210516414.0A CN103852965B (en) | 2012-12-05 | 2012-12-05 | For the light-source system of a stereo projection apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210516414.0A CN103852965B (en) | 2012-12-05 | 2012-12-05 | For the light-source system of a stereo projection apparatus |
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| CN103852965B CN103852965B (en) | 2016-01-20 |
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| CN106873296A (en) * | 2017-04-05 | 2017-06-20 | 苏州佳世达光电有限公司 | Optical projection system |
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| CN102566230A (en) * | 2010-12-08 | 2012-07-11 | 绎立锐光科技开发(深圳)有限公司 | Projection system, light source system and light source component |
| CN102636946A (en) * | 2011-02-11 | 2012-08-15 | 中强光电股份有限公司 | Light source module and projector |
| CN102645826A (en) * | 2011-11-10 | 2012-08-22 | 深圳市光峰光电技术有限公司 | Light source system, illuminating device and projecting device |
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| US20120133846A1 (en) * | 2010-11-26 | 2012-05-31 | Sanyo Electric Co., Ltd. | Illumination device and video projector |
| CN102566230A (en) * | 2010-12-08 | 2012-07-11 | 绎立锐光科技开发(深圳)有限公司 | Projection system, light source system and light source component |
| CN102636946A (en) * | 2011-02-11 | 2012-08-15 | 中强光电股份有限公司 | Light source module and projector |
| CN202177773U (en) * | 2011-08-25 | 2012-03-28 | 绎立锐光科技开发(深圳)有限公司 | A light source system and a projection system using the light source system |
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| CN106646884A (en) * | 2016-12-30 | 2017-05-10 | 苏州苏大维格光电科技股份有限公司 | Projection objective and three-dimensional display device |
| CN106646884B (en) * | 2016-12-30 | 2020-03-20 | 苏州苏大维格光电科技股份有限公司 | Projection objective and three-dimensional display device |
| CN106873296A (en) * | 2017-04-05 | 2017-06-20 | 苏州佳世达光电有限公司 | Optical projection system |
| CN106873296B (en) * | 2017-04-05 | 2020-03-31 | 苏州佳世达光电有限公司 | Projection system |
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| CN103852965B (en) | 2016-01-20 |
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